About 22 results
https://drivepatents.com/patents/1016143 · 26 Jan 2011
There is provided a reverse scavenged two-stroke internal combustion engine that is capable of effectively suppressing the short-circuiting of fresh charge (unburnt air-fuel mixture), while at the same time being capable of further improving scavenging eff...
https://drivepatents.com/patents/1074383 · 7 Sep 2005
A piston channel (16) is provided for a piston (12) of an air scavenging internal combustion engine (10). The channel (16) extends radially inward partially around a circumference of a piston body. An edge wall (18) of the channel (16) is sloped towards a ...
https://drivepatents.com/patents/1074758 · 24 Aug 2005
An SAS two-cycle engine (10) has a cylinder block (12) that has a bore (14) with at least one scavenging port (32) and at least one fresh air port (62, 64) therein. The bore (14) extends to a crankcase (20). A piston (50) of the engine (10) is located with...
https://drivepatents.com/patents/1079934 · 23 Feb 2005
This invention concerns a two-stroke cycle engine, more specially it concerns a two-stroke cycle engine using a preceding air-layer for scavenging. It has a scavenger passage (109d) connected to a branching scavenger passage (109d) opened to said scavengin...
https://drivepatents.com/patents/1080748 · 19 Jan 2005
Crankcase scavenged two-stroke internal combustion engine (1), in which a piston ported air passage is arranged between an air inlet (2) and the upper part of a number of transfer ducts (3, 3'). The air inlet is equipped with a restriction valve (4), contr...
https://drivepatents.com/patents/1089835 · 4 Feb 2004
The two-stroke internal combustion engine uses a compressor (2) which feeds air via channels, and through ports (4) which are uncovered by the movement of the piston (7). A filter (1) purifies the air drawn in by the compressor, and the air is cooled by a ...
https://drivepatents.com/patents/1090793 · 7 Jan 2004
The two stroke engine has a crown piston (6) moving in a cylinder (1) comprising an annular chamber which divides the piston crown into two variable volumes (5,2) according to its position. The piston has ports (8) communicating with transfer passages (9) ...
https://drivepatents.com/patents/1096892 · 9 Apr 2003
This invention relates to an improvement of two stroke engine in which a sleeve piston is employed to move up and down in the cylinder and to control alternatively the opening and closing of the intake guide and exhaust guide and to prevent the lubricant f...
https://drivepatents.com/patents/1097940 · 5 Mar 2003
An internal combustion engine having a cylinder with a piston movement area; a piston movably mounted in the cylinder; an ignition system connected to the cylinder; and a fuel delivery system connected to the cylinder. The fuel delivery system has a combin...
https://drivepatents.com/patents/1107010 · 30 Jan 2002
The engine can improve a leading air suction efficiency, has a simple structure and a low cost. Accordingly, in a stratified scavenging two-stroke cycle engine provided with an exhaust port (22) and a scavenging port (21) which are connected to a cylinder ...